'use strict'
const path = require('path')
const defaultSettings = require('./src/settings.js')

function resolve(dir) {
	return path.join(__dirname, dir)
}

const name = defaultSettings.title || 'Admin' // page title

// If your port is set to 80,
// use administrator privileges to execute the command line.
// For example, Mac: sudo npm run
// You can change the port by the following method:
// port = 9527 npm run dev OR npm run dev --port = 9527
const port = process.env.PORT || process.env.npm_config_port || 9527 // dev port
const buildOutputDir = process.env.BUILD_OUTPUT_DIR || 'dist'

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
	/**
	 * You will need to set publicPath if you plan to deploy your site under a sub path,
	 * for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
	 * then publicPath should be set to "/bar/".
	 * In most cases please use '/' !!!
	 * Detail: https://cli.vuejs.org/config/#publicpath
	 */
	publicPath: '/hellorong-stock/', //'/admin/'
	outputDir: buildOutputDir,
	assetsDir: '',
	lintOnSave: process.env.NODE_ENV === 'development',
	productionSourceMap: process.env.VUE_APP_ENV === 'staging' ? true : false,
	devServer: {
		port: port,
		open: true,
		overlay: {
			warnings: false,
			errors: true
		},
		proxy: {
			'/admins': {
				target: 'http://127.0.0.1/hellorong-stock-api', //http://bcic.testda.dancea.com || http://127.0.0.1:8199 || http://101.34.30.123/hellorong-stock-api
				changeOrigin: true
			}
		}
		// before: require('./mock/mock-server.js')
	},
	configureWebpack: {
		// provide the app's title in webpack's name field, so that
		// it can be accessed in index.html to inject the correct title.
		name: name,
		resolve: {
			alias: {
				'@': resolve('src')
			}
		}
	},
	chainWebpack(config) {
		// it can improve the speed of the first screen, it is recommended to turn on preload
		// it can improve the speed of the first screen, it is recommended to turn on preload
		config.plugin('preload').tap(() => [
			{
				rel: 'preload',
				// to ignore runtime.js
				// https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/cli-service/lib/config/app.js#L171
				fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
				include: 'initial'
			}
		])

		// when there are many pages, it will cause too many meaningless requests
		config.plugins.delete('prefetch')

		// set svg-sprite-loader
		config.module
			.rule('svg')
			.exclude.add(resolve('src/icons'))
			.end()
		config.module
			.rule('icons')
			.test(/\.svg$/)
			.include.add(resolve('src/icons'))
			.end()
			.use('svg-sprite-loader')
			.loader('svg-sprite-loader')
			.options({
				symbolId: 'icon-[name]'
			})
			.end()

		config.when(process.env.NODE_ENV !== 'development', config => {
			config
				.plugin('ScriptExtHtmlWebpackPlugin')
				.after('html')
				.use('script-ext-html-webpack-plugin', [
					{
						// `runtime` must same as runtimeChunk name. default is `runtime`
						inline: /runtime\..*\.js$/
					}
				])
				.end()
			config.optimization.splitChunks({
				chunks: 'all',
				cacheGroups: {
					libs: {
						name: 'chunk-libs',
						test: /[\\/]node_modules[\\/]/,
						priority: 10,
						chunks: 'initial' // only package third parties that are initially dependent
					},
					elementUI: {
						name: 'chunk-elementUI', // split elementUI into a single package
						priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
						test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
					},
					commons: {
						name: 'chunk-commons',
						test: resolve('src/components'), // can customize your rules
						minChunks: 3, //  minimum common number
						priority: 5,
						reuseExistingChunk: true
					}
				}
			})
			// https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
			config.optimization.runtimeChunk('single')
		})
	}
}
